Table 1.
Key characteristics of participants at baselinea
| Total | Men | Women | ||
|---|---|---|---|---|
| a Baseline was waves 1, 2, and 3 for 7,130, 2,467, and 610 individuals, respectively. | ||||
| Age (years) | ||||
| M | 40.1 | 40.9 | 37.7 | |
| SD | 10.5 | 10.5 | 10.1 | |
| Educational level (%) | ||||
| High school or below | 38.8 | 39.6 | 36.3 | |
| Junior college | 16.5 | 11.9 | 31.1 | |
| College | 34.3 | 36.1 | 28.4 | |
| Graduate school | 10.4 | 12.4 | 4.1 | |
| Job classification (%) | ||||
| Managerial worker | 16.7 | 21.2 | 2.2 | |
| Non-manual worker | 47.0 | 41.7 | 64.0 | |
| Manual worker | 24.7 | 26.8 | 17.9 | |
| Other worker | 11.6 | 10.3 | 15.8 | |
| Smoking (%) | ||||
| Not smoking | 59.9 | 52.1 | 84.7 | |
| Quit smoking | 11.9 | 14.3 | 4.5 | |
| Smoking | 28.1 | 33.6 | 10.9 | |
| Alcohol consumption | ||||
| Never | 36.0 | 30.6 | 52.9 | |
| Sometimes | 36.4 | 36.6 | 35.7 | |
| Almost every day | 27.6 | 32.7 | 11.4 | |
| Physical activity | ||||
| Never | 61.6 | 58.2 | 72.4 | |
| Light exercise once or more a week | 21.5 | 23.2 | 16.1 | |
| Moderate or higher exercise once or twice a week | 13.4 | 14.6 | 9.3 | |
| Moderate or higher exercise three times or more a week | 3.5 | 3.9 | 2.2 | |
| Income (annual, thousand yen, household-size-adjusted) | ||||
| M | 4,314 | 4,464 | 3,838 | |
| SD | 2,126 | 2,048 | 2,292 | |
| Number of family members | ||||
| M | 2.9 | 3.0 | 2.7 | |
| SD | 1.50 | 1.48 | 1.54 | |
| n | 10,207 | 7,760 | 2,447 | |